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Computer Networking: What You Need To Know
Computer networking, usually referred to as datacom or data communication is the practice of linking two or more computer systems together to exchange information. Computer networking is recognized as a branch of computer science, IT, telecommunications and/or computer engineering because it greatly relies on the theory and practical application of these mentioned fields.
There are three kinds of computer networks to be exact the internet, intranet and then the extranet.
- The Internet - is a worldwide system of networks of computers that are connected. These networks make use of Internet Protocol Suite which is either TCP or IP, which serves billions of computer users around the world.
- The Intranet - in contrast to the internet, the intranet is an exclusive computer network. Although the intranet uses Internet Protocol technology, the data is secured within the organization and not shared to the whole world.
- The Extranet - at the same time is actually an expansion of a company's intranet. Its primary purpose is to enable users from outside the organization such as vendors, partners, and suppliers to gain access to certain data and information.
Below are a few of the many ways of networking computers:
- Local Area Network - or normally known as LAN, is a small network of computer systems in a small area. One example of LAN is a network of computers in a building.
- Metropolitan Area Network - or MAN is just like LAN. The significant difference is that MAN is employed in a larger scale such as metropolitan areas or states.
- Wide Area Network - or WAN is a far larger network compared to MAN and is used to cover larger geographic areas.
- Wireless LANs and WANs - are like WAN and LAN and the only real difference is the fact that they are wireless.
In computer networking, there are many ways to interconnect computer systems such as the use of coaxial cables, optical fibers, and even through power lines. But as technology improvements there are better ways to do this such as wireless technologies which includes Bluetooth and also Wi-Fi.
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